October 13, 2015, 6am PDT
The phrase "traffic congestion" can be misleading; some reductions in traffic speed are less harmful than others.
September 29, 2015, 2pm PDT
Thinking about congestion as an economic problem generates new solutions for the problem as well as a response to accusations of social engineering.
September 21, 2015, 6am PDT
In an effort to shift from car-centric planning and incentivize eco-friendly transportation options, California is revising the way it measures traffic impacts of development projects under its Environmental Quality Act.
September 14, 2015, 9am PDT
A new report stresses the importance of international cooperation on low-carbon development.
August 26, 2015, 11am PDT
A new study finds evidence of a causal link between bikeshare and congestion in Washington, D.C.
August 23, 2015, 5am PDT
At some point, in places all over the country, freeways stopped working as they were intended. What can be done to improve one of the great frustrations of life with a car?
August 6, 2015, 2pm PDT
An op-ed describes a paradox produced by the ongoing debates over density while also presenting potential solutions for overcoming the resulting impasse.
July 28, 2015, 6am PDT
There are two schools of though t when it comes to whether Uber and other companies like it are making traffic better or worse. A new study by new York City will endeavor to clear the air.
July 23, 2015, 6am PDT
This story broke, moved toward City Council action, then broke again—all in a New York minute.
July 20, 2015, 12pm PDT
An op-ed by Mayor Bill de Blasio declares that the time has come to regulate transportation companies like Uber.
June 8, 2015, 7am PDT
A new report from the Congressional Budget Office places the spotlight on the trucking industry in terms of the social, health ,and environmental costs it imposes on society but does not pay for, i.e., externalities.
City Observatory City Commentary
March 4, 2015, 10am PST
In some places, it might be hard to imagine even considering a cap on the development of commercial development. Palo Alto, home to Stanford University and a hot bed of California's tech industry, did just that in City Council earlier this week.
February 18, 2015, 11am PST
A local blogger takes umbrage with claims that Austin's density is causing its traffic problems. The obvious problem with that argument: Austin is 68% as dense now as it was in 1950.
January 28, 2015, 9am PST
A survey of the quickly broadening reach of data about the movement of traffic reveals the next step necessary to achieve congestion nirvana: unfettered access to private cell phone data.
December 25, 2014, 1pm PST
If Jesus and Mary came to Bethlehem in 2014, they'd be frustrated by high levels of congestion before finding a place to settle down for the night.
December 11, 2014, 5am PST
Only nine regions experienced reduced traffic congestion between 1991 and 2011. What do they have in common?
December 6, 2014, 7am PST
Aaron Renn provides a dissenting argument on the implications of peak car, namely, "if we’ve really reached peak car, maybe we really can build our way out of congestion after all."
November 30, 2014, 9am PST
Although the holidays cause millions more drivers to hit the road, delays in traffic may also stem from the congestion of goods movements by truck, both locally and across the country.
The Brookings Institution
November 25, 2014, 7am PST
Joseph Stromberg explains the phantom traffic jam—that scourge of highway travel when everyone on the highway slows down for no apparent reason and then quickly accelerates to previous speeds.
October 28, 2014, 7am PDT
Cycling has positive impacts both for cyclists and non-cyclists alike, helping to reduce pollution and congestion and improving health and economic factors with just two wheels.